Vulnerability library
Security checkJuly 20, 2026

@better-auth/sso: SSO provider may allow registration for any org member without a checking their role

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High severitynpm@better-auth/sso

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Description

You are affected if all of the following are true:

  • You depend on @better-auth/sso at any version in >= 1.2.10, < 1.6.11, or any current next pre-release.
  • You enable both sso() and organization() plugins.
  • providersLimit is at its default (10) or any non-zero value, so SSO provider registration is enabled for authenticated users.

Recommendation

Update the @better-auth/sso package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 1.2.10, < 1.6.11
  • Patched version(s): 1.6.11

References

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See something that needs correcting? Let us knowUpdated July 20, 2026